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Finding the Third Proportional to 37,972.50 and 56,913

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Solution

The third proportional to 37,972.50 and 56,913 is: 85,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,972.50 : 56,913 = 56,913 : x
  2. Step 2: Convert to fraction form
    37,972.50/56,913 = 56,913/x
  3. Step 3: Cross multiply
    37,972.50x = 56,913 × 56,913
  4. Step 4: Simplify right side
    37,972.50x = 3,239,089,569
  5. Step 5: Solve for x
    x = 3,239,089,569/37,972.50
  6. Step 6: Final answer
    x = 85,300.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.